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PODCAST

Do you really know?

You’ve heard about it, but do you really know it? In 3 minutes, we help you understand the true meaning behind the trends, concepts and acronyms that are making headlines. After listening, you will really know for sure.

education

All Episodes

4:39

Who is the richest man in history?

Do you really know? ·

2025/09/22

Elon Musk, Mark Zuckerberg, Jeff Bezos… modern billionaires are in a league of their own. We’re often told that wealth comes from hustle, long hours, and smart decisions. But once you reach billionaire level we’re no longer talking about salaries, bonuses, or promotions. Take Jeff Bezos, for example. As of April 2025, Forbes estimated his fortune at around $236 billion. For comparison, the median salary in the U.S. is about $60,000 a year. So how long would the average American have to work to earn

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4:12

Is it really good to drink coffee every morning?

Do you really know? ·

2025/09/22

If the mere smell of a good cup of coffee is enough to get you out of bed, you might want to rethink your early morning ritual. According to nutritionists, drinking coffee right after waking up can have harmful effects. While you might rely on it to wake you up and give you energy, consuming it this early can actually make you more tired. Isn’t coffee a stimulant? What happens when you drink coffee on an empty stomach? What should you drink in the morning? In under 3 minutes, we answer your

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5:10

Is it better sleeping with or without a pillow?

Do you really know? ·

2025/09/22

We don’t know about you, but some nights we just can’t fall asleep without turning onto our stomach. And when we do, we seem to drift off more easily when not using a pillow. But we do sometimes wonder whether doing that could have any negative health impact. Just like your mattress and bed base, the pillow plays a key role in sleep quality, but it’s often the most overlooked part of our bedding. You see, experts say that a pillow should help keep your spine properly aligned while you sleep,

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4:54

What are some of the world's best treasure hunts?

Do you really know? ·

2025/09/21

After over three decades of relentless searching, the Golden Owl was finally found on October 3, 2024. This €150,000 treasure was hidden back in 1993 by writer Régis Hauser, who took on the pseudonym Max Valentin to publish ‘Sur la trace de la chouette d'or’ ("On the Trail of the Golden Owl"). The book has 11 riddles, each one a clue to the owl’s secret location, setting off what would become the longest-running treasure hunt ever organised. More than 200,000 enthusiasts, known as “chouetteurs,”

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4:13

How can you revitalise your relationship with 3...

Do you really know? ·

2025/09/21

You might or might not be surprised to learn that warm weather naturally enhances the libido. According to a 2022 survey by the Kinsey Institute, 60% of Americans report that spring is the season when they most want to get under the duvet with their partner. It all comes down to hormones. Light and warmth naturally stimulates our serotonin production, a mood-enhancing chemical. Additionally, it also increases testosterone production, a key player in libido. Light also activates the pineal gland,

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5:16

What are the dirtiest objects in your home?

Do you really know? ·

2025/09/21

You might assume that your toilet bowl is the dirtiest place in your flat or house, but in fact that’s pretty far from the truth. Our homes are actually filled with items that are perfect hosts for germs and bacteria, and sometimes it’s the objects you least suspect. For example those in your kitchen or bathroom in particular. According to BBC Food, the domestic kitchen is to blame for a fair share of the 2.4 million cases of food poisoning that occur in the UK each year. What’s the dirtiest item

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5:00

What's the best way to have quick sex?

Do you really know? ·

2025/09/20

A few months ago we ran an episode on how long people have sex for, and referenced an American study from the 2000s which found that the ideal length for most people is between 7 and 13 minutes. Now that’s probably less than what a lot of you might think, but it’s proof that quick sex can often be just as satisfying as a drawn out love-making session. And let’s be honest - often we don’t really have much of a choice. Finding any more than 15 minutes to be intimate with your partner can be a

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4:56

How do aeroplanes fly?

Do you really know? ·

2025/09/20

Have you ever been on an aeroplane and wondered how on earth a vehicle weighing tens of thousands of kilograms can even take off, let alone stay in the air for hours on end? Well, whatever the type of plane is, the basic principle is pretty much the same. It has to overcome the pull of gravity, the force that draws everything towards Earth’s centre. What does an aeroplane need to fly then? How so? How does speed create lift then? In under 3 minutes, we answer your questions! To listen to the

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4:57

What is reverse ageing?

Do you really know? ·

2025/09/20

In 2021, American multi-millionaire Bryan Johnson began his Project Blueprint. Then 43, his stated aim was to restore his body and organs to the state of an eighteen-year-old. To do this, he follows an extreme fitness program and a strict diet, and takes a whole host of medicines and supplements, not to mention undergoing an organ operation every year. All of this costs around $2M per year. His team of doctors say that the results are promising, but other medical experts are more

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5:11

What does the popcorn index teach us about the economy?

Do you really know? ·

2025/09/19

Figuring out how well the economy is doing might seem like the preserve of those working in big accounting firms or financial institutions, dealing with complicated graphs and calculations on a daily basis. But in reality, we’re exposed to certain clues going about our everyday lives, without even realising that they offer insight into our spending habits. An interesting example to look out for is whether people are buying popcorn in your local cinema. What does popcorn have to do with the

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5:35

How does pollution affect my mental health?

Do you really know? ·

2025/09/19

According to the government, air pollution is the “largest environmental risk to public health”, and accounts for between 28,000 and 36,000 deaths each year. But did you know that the air you breathe might be impacting not only your physical health but also your mental well-being? It's the largest environmental risk to public health because harmful pollutants like fine particulate matter, ammonia and nitrogen dioxide get into our bodies, affecting the eyes, nose and throat, heart and blood vessels

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4:39

What are lucid dreams?

Do you really know? ·

2025/09/19

Lucid dreams are dreams in which you become aware that you are dreaming while you are dreaming. This means that you can recognise that the events and characters in your dream are not real, and that you are actually asleep in your bed. Some people can even control their dreams to some extent, and shape them according to their wishes. Imagine being able to fly, visit exotic places, or meet your favourite celebrities in your dreams. But how do lucid dreams happen? And why would you want to have

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4:25

What is a ‘sandwich employee’?

Do you really know? ·

2025/09/18

In our professional lives, just as in our personal ones, we all wear many hats. But how does juggling all those roles make us feel? For some, it can be a fulfilling challenge, while for others, it can lead to burnout and a loss of identity. This is especially true for managers, who often find themselves in the toughest spot. Think about your coworker who’s always balancing the demands of their team and their boss, acting as the go-between for frustrated employees and anxious higher-ups. In today’s

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5:08

Which foods should I avoid after their expiry date?

Do you really know? ·

2025/09/18

Some expired food products are easy to identify, due to an unpleasant smell, mould, swollen packaging or abnormal colour for example. But others show no visible changes in texture, colour, or smell. In such cases, you might well ask yourself if the item is still safe to consume. To begin with, it's important to note that some products don’t expire, as long as they’re stored in the right conditions, as indicated on the packaging. For example, pasta, tinned goods, rice, sugar, flour, coffee, dry

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5:03

What is astropsychology?

Do you really know? ·

2025/09/18

Regular listeners will remember how astrology has undergone somewhat of a revival in recent years. Knowledge of terms like “Saturn return” and “retrograde Mercury” is now actually pretty common, in particular among young people. The topic of today’s episode actually blends astrology with the modern insights of psychology. The idea behind astropsychology is that the positions and movements of celestial bodies, such as planets and stars, can influence human behavior, emotions, and personality

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4:34

What is gooning during masturbation?

Do you really know? ·

2025/09/17

You know how an orgasm usually goes, right? It starts with those little shivers, then the heat builds, your heartbeat picks up, everything’s racing and boom! It peaks, and then everything just… drops. Curtain closed, show’s over. But picture this: what if you stayed right before that point of no return? Stretching out the pleasure, teasing it, keeping it going… and going. Well, that’s basically what’s behind a technique that’s been getting more and more popular in masturbation; it’s called

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4:43

What are the dangers of overusing paracetamol?

Do you really know? ·

2025/09/17

Paracetamol, a staple in UK households, is widely available over the counter and commonly used to alleviate headaches, toothaches, joint pain, flu symptoms, menstrual pain, and fever. In the UK, paracetamol is one of the most frequently used painkillers. The British Medical Journal reports that from April 2022 to March 2023, 16 million prescriptions for paracetamol were dispensed in England alone. Additionally, an estimated 6,300 tonnes of paracetamol are sold annually in the UK, equating to about

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5:10

Why do we get nightmares?

Do you really know? ·

2025/09/17

According to the American Academy of Sleep medicine, 50% to 85% of adults experience occasional nightmares, with 2% to 8% of people having nightmares that cause sleep problems. No one likes having nightmares, do they? These vivid, distressing bad dreams often cause us to jolt awake, heart pounding, in fear or anxiety. They can feature threatening scenarios, monsters, or deeply unsettling experiences. How exactly do nightmares work? What is the purpose of nightmares? What should you do when

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5:08

Could the 12-12-12 method help you declutter your home?

Do you really know? ·

2025/09/16

Ever since the 1960s, the minimalist movement has been captivating art and interior design enthusiasts. It’s all about simplicity, emphasising a return to the essentials, and encouraging us to let go of our attachment to material things as far as possible. If you tend to struggle with clutter in your home environment, the 12-12-12 method may just be able to help you counter that problem. It was created by Joshua Becker of Becoming Minimalist and it’s really gained a lot of attention online since,

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4:34

What are the warning signs of a toxic friendship?

Do you really know? ·

2025/09/16

What are the warning signs of a toxic friendship? Today is World Friendship Day, a chance to reflect on how important friends are in our lives. Generally speaking, having friends is a positive thing which brings us moments of fun and joy. But toxic friendships can exist too and in such cases, the relationship can be more of a burden than anything else, for one of the people involved at least! Let’s talk about some of the red flags that can help you identify them. First things first, why is it

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